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High frequency low loss soft magnetic ferrite magnetic core material

A technology of soft magnetic ferrite and magnetic core materials, which is applied in the direction of the magnetism of inorganic materials, can solve the problems of high frequency loss and application influence, and achieve the effect of reducing loss

Inactive Publication Date: 2004-04-28
上海华源磁业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the high-frequency loss of the general soft ferrite core material is relatively high, and the power loss Pcv at high frequency (100kHz) is about 600kW / m 2 , so its application is affected by

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Take Fe by mol% 2 o 3 51.5, Mn 3 o 4 34.8, ZnO13.7 as the main material; then add a trace of compound V to 200kg of the main material 2 o 5 45g, SiO 2 3g, CaCo 3 65g, fully stirred to form the formula of the present invention.

Embodiment 2

[0011] Take Fe by mol% 2 o 3 52.5, Mn 3 o 4 35.4, ZnO12.1 made into the main material; then add a small amount of compound V to 200kg of the main material 2 o 5 52g, SiO 2 4.5g, CaCo 3 89g, stir well.

Embodiment 3

[0013] Take Fe by mol% 2 o 3 51.2, Mn 3 o 4 35.5, ZnO13.3 as the main material; then add a trace of compound V to 200kg of the main material 2 o 5 50.5g, SiO 2 3.7g, CaCo 3 73g, stir well.

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PUM

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Abstract

A high frequency low loss soft magnet ferrite core material is composed of master and auxiliary materials, in which, the master is counted in mol%: Fe2O3 51-53, Mn3O4 34-36 and ZnO for rest added by microchemicals of V2O5, SiO2 and CaCO3 counted in weight % of the master material: V2O3 0.02-0.03, SiO2 0.00125-0.0025, CaCO3 0.025-0.05 with the advantage of obviously reduced loss of ferrite material under high frequency and Pcvis less than or equal or 400kw / m2 at 100KHz in actual test.

Description

Technical field [0001] The invention relates to a soft magnetic ferrite core material. Background technique [0002] Soft ferrite core materials can be widely used in various fields such as aerospace, automatic control, electric power, automobiles, medical equipment, household appliances, etc., and have been further applied in frequency conversion technology. In the prior art, the high-frequency loss of the general soft ferrite core material is relatively high, and the power loss Pcv at high frequency (100kHz) is about 600kW / m 2 , so its application is affected. Contents of the invention [0003] The purpose of the present invention is to propose a high-frequency and low-loss soft ferrite core material, and improve its performance by improving the composition of the material. [0004] A high-frequency low-loss soft ferrite core material of the present invention is composed of a main material and a trace compound, wherein the main material is calculated by mol%: Fe 2 o ...

Claims

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Application Information

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IPC IPC(8): H01F1/34
Inventor 薛志萍
Owner 上海华源磁业股份有限公司
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